Uses of Package
org.apache.calcite.rel

Packages that use org.apache.calcite.rel

Package	Description
org.apache.calcite.adapter.enumerable	Query optimizer rules for Java calling convention.
org.apache.calcite.adapter.jdbc	Query provider based on a JDBC data source.
org.apache.calcite.interpreter	Provides an implementation of relational expressions using an interpreter.
org.apache.calcite.jdbc	JDBC driver for Calcite.
org.apache.calcite.plan	Defines interfaces for constructing rule-based optimizers of relational expressions.
org.apache.calcite.plan.hep	Provides a heuristic planner implementation for the interfaces in org.apache.calcite.plan.
org.apache.calcite.plan.volcano	Optimizes relational expressions.
org.apache.calcite.prepare	Preparation of queries (parsing, planning and implementation).
org.apache.calcite.rel	Defines relational expressions.
org.apache.calcite.rel.convert	Defines relational expressions and rules for converting between calling conventions.
org.apache.calcite.rel.core	Defines core relational expressions.
org.apache.calcite.rel.externalize	Facilities to externalize RelNodes to and from XML and JSON format.
org.apache.calcite.rel.logical	Defines logical relational expressions.
org.apache.calcite.rel.metadata	Defines metadata interfaces and utilities for relational expressions.
org.apache.calcite.rel.rules	Provides a core set of planner rules.
org.apache.calcite.rel.stream	Defines relational expressions for streaming.
org.apache.calcite.rex	Provides a language for representing row-expressions.
org.apache.calcite.schema	Schema SPI.
org.apache.calcite.schema.impl	Utilities to help implement Calcite's SPIs.
org.apache.calcite.sql2rel	Translates a SQL parse tree to relational expression.
org.apache.calcite.tools	Provides utility classes.

Classes in org.apache.calcite.rel used by org.apache.calcite.adapter.enumerable

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
BiRel Abstract base class for relational expressions with a two inputs.
InvalidRelException Exception that indicates that a relational expression would be invalid with given parameters.
RelCollation Description of the physical ordering of a relational expression.
RelFieldCollation Definition of the ordering of one field of a RelNode whose output is to be sorted.
RelNode A RelNode is a relational expression.
RelWriter Callback for an expression to dump itself to.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.adapter.jdbc

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
BiRel Abstract base class for relational expressions with a two inputs.
InvalidRelException Exception that indicates that a relational expression would be invalid with given parameters.
RelCollation Description of the physical ordering of a relational expression.
RelFieldCollation Definition of the ordering of one field of a RelNode whose output is to be sorted.
RelNode A RelNode is a relational expression.
RelWriter Callback for an expression to dump itself to.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.interpreter

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
BiRel Abstract base class for relational expressions with a two inputs.
InvalidRelException Exception that indicates that a relational expression would be invalid with given parameters.
RelCollation Description of the physical ordering of a relational expression.
RelNode A RelNode is a relational expression.
RelVisitor A RelVisitor is a Visitor role in the visitor pattern and visits RelNode objects as the role of Element.
RelWriter Callback for an expression to dump itself to.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.jdbc

Class and Description
RelNode A RelNode is a relational expression.

Classes in org.apache.calcite.rel used by org.apache.calcite.plan

Class and Description
RelCollation Description of the physical ordering of a relational expression.
RelDistribution Description of the physical distribution of a relational expression.
RelNode A RelNode is a relational expression.
RelVisitor A RelVisitor is a Visitor role in the visitor pattern and visits RelNode objects as the role of Element.

Classes in org.apache.calcite.rel used by org.apache.calcite.plan.hep

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
RelNode A RelNode is a relational expression.
RelWriter Callback for an expression to dump itself to.

Classes in org.apache.calcite.rel used by org.apache.calcite.plan.volcano

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
RelNode A RelNode is a relational expression.
RelWriter Callback for an expression to dump itself to.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.prepare

Class and Description
RelCollation Description of the physical ordering of a relational expression.
RelDistribution Description of the physical distribution of a relational expression.
RelNode A RelNode is a relational expression.

Classes in org.apache.calcite.rel used by org.apache.calcite.rel

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
RelCollation Description of the physical ordering of a relational expression.
RelCollationTraitDef Definition of the ordering trait.
RelDistribution Description of the physical distribution of a relational expression.
RelDistribution.Type Type of distribution.
RelDistributionTraitDef Definition of the distribution trait.
RelFieldCollation Definition of the ordering of one field of a RelNode whose output is to be sorted.
RelFieldCollation.Direction Direction that a field is ordered in.
RelFieldCollation.NullDirection Ordering of nulls.
RelNode A RelNode is a relational expression.
RelShuttle Visitor that has methods for the common logical relational expressions.
RelShuttleImpl Basic implementation of RelShuttle that calls RelNode.accept(RelShuttle) on each child, and RelNode.copy(org.apache.calcite.plan.RelTraitSet, java.util.List) if any children change.
RelVisitor A RelVisitor is a Visitor role in the visitor pattern and visits RelNode objects as the role of Element.
RelWriter Callback for an expression to dump itself to.

Classes in org.apache.calcite.rel used by org.apache.calcite.rel.convert

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
RelNode A RelNode is a relational expression.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.rel.core

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
BiRel Abstract base class for relational expressions with a two inputs.
RelCollation Description of the physical ordering of a relational expression.
RelDistribution Description of the physical distribution of a relational expression.
RelInput Context from which a relational expression can initialize itself, reading from a serialized form of the relational expression.
RelNode A RelNode is a relational expression.
RelShuttle Visitor that has methods for the common logical relational expressions.
RelWriter Callback for an expression to dump itself to.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.rel.externalize

Class and Description
RelCollation Description of the physical ordering of a relational expression.
RelCollationImpl Simple implementation of RelCollation.
RelDistribution Description of the physical distribution of a relational expression.
RelFieldCollation Definition of the ordering of one field of a RelNode whose output is to be sorted.
RelNode A RelNode is a relational expression.
RelWriter Callback for an expression to dump itself to.

Classes in org.apache.calcite.rel used by org.apache.calcite.rel.logical

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
BiRel Abstract base class for relational expressions with a two inputs.
RelCollation Description of the physical ordering of a relational expression.
RelDistribution Description of the physical distribution of a relational expression.
RelInput Context from which a relational expression can initialize itself, reading from a serialized form of the relational expression.
RelNode A RelNode is a relational expression.
RelShuttle Visitor that has methods for the common logical relational expressions.
RelWriter Callback for an expression to dump itself to.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.rel.metadata

Class and Description
BiRel Abstract base class for relational expressions with a two inputs.
RelCollation Description of the physical ordering of a relational expression.
RelDistribution Description of the physical distribution of a relational expression.
RelNode A RelNode is a relational expression.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.rel.rules

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
RelNode A RelNode is a relational expression.
RelWriter Callback for an expression to dump itself to.

Classes in org.apache.calcite.rel used by org.apache.calcite.rel.stream

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
RelInput Context from which a relational expression can initialize itself, reading from a serialized form of the relational expression.
RelNode A RelNode is a relational expression.
SingleRel Abstract base class for relational expressions with a single input.

Classes in org.apache.calcite.rel used by org.apache.calcite.rex

Class and Description
RelCollation Description of the physical ordering of a relational expression.
RelFieldCollation Definition of the ordering of one field of a RelNode whose output is to be sorted.
RelFieldCollation.Direction Direction that a field is ordered in.
RelFieldCollation.NullDirection Ordering of nulls.
RelNode A RelNode is a relational expression.
RelWriter Callback for an expression to dump itself to.

Classes in org.apache.calcite.rel used by org.apache.calcite.schema

Class and Description
RelCollation Description of the physical ordering of a relational expression.
RelDistribution Description of the physical distribution of a relational expression.
RelNode A RelNode is a relational expression.

Classes in org.apache.calcite.rel used by org.apache.calcite.schema.impl

Class and Description
AbstractRelNode Base class for every relational expression (RelNode).
RelNode A RelNode is a relational expression.

Classes in org.apache.calcite.rel used by org.apache.calcite.sql2rel

Class and Description
RelCollation Description of the physical ordering of a relational expression.
RelFieldCollation Definition of the ordering of one field of a RelNode whose output is to be sorted.
RelFieldCollation.Direction Direction that a field is ordered in.
RelFieldCollation.NullDirection Ordering of nulls.
RelHomogeneousShuttle Visits all the relations in a homogeneous way: always redirects calls to accept(RelNode).
RelNode A RelNode is a relational expression.
RelShuttle Visitor that has methods for the common logical relational expressions.
RelShuttleImpl Basic implementation of RelShuttle that calls RelNode.accept(RelShuttle) on each child, and RelNode.copy(org.apache.calcite.plan.RelTraitSet, java.util.List) if any children change.

Classes in org.apache.calcite.rel used by org.apache.calcite.tools

Class and Description
RelNode A RelNode is a relational expression.